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John Stef

PROFILE

John Stef

John Stef worked on the Immich mobile repositories, focusing on user experience and internationalization enhancements. Over three months, he delivered features such as improved logout reliability, locale-aware typography, and a smoother video thumbnail preload experience. Using Dart and Flutter, John refined UI components to support global users, addressed search UI usability, and implemented robust state management for mobile workflows. He also fixed mobile text search overflow issues by isolating parameter handling logic and adding targeted tests, which improved reliability and maintainability. His work demonstrated depth in mobile development, UI/UX design, and testing, resulting in a more polished application.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

7Total
Bugs
1
Commits
7
Features
4
Lines of code
457
Activity Months3

Work History

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025: Implemented Video Thumbnail Preload UX Enhancement for the Immich mobile experience in immich-app/immich by hiding the video thumbnail until the video is ready to play. This change eliminates thumbnail flicker during startup, delivering a smoother media initialization and improved perceived performance on mobile. The work was implemented with a mobile-focused fix in immich-app/immich, committed as aa2828ab338d7aadd0d6e9224e53970ff0a2e12d (fix(mobile): hide video thumbnail when video is ready (#19328)). This contributes to a more polished user experience and faster perceived readiness for media playback.

January 2025

1 Commits

Jan 1, 2025

January 2025 monthly summary for immich-app/immich focusing on stability improvements in mobile text search and parameter handling. Delivered a targeted fix to overflow issues in mobile text search and hardened the handling of search parameters to prevent crashes and incorrect results. The change enhances mobile user experience and reliability, with traceable commits and clear impact on performance and quality.

November 2024

5 Commits • 3 Features

Nov 1, 2024

Month: 2024-11 — Focused on mobile UX polish and internationalization improvements for lollipopkit/immich. Delivered three key areas: logout reliability, search UI usability, and locale-aware typography/date formatting to support global users. Resulted in smoother sign-out experiences, more navigable search, and robust internationalization across locales.

Activity

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Quality Metrics

Correctness91.4%
Maintainability82.8%
Architecture82.8%
Performance82.8%
AI Usage25.8%

Skills & Technologies

Programming Languages

Dart

Technical Skills

DartFlutterUI/UX designinternationalizationlocalizationmobile developmentstate managementtesting

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

lollipopkit/immich

Nov 2024 Nov 2024
1 Month active

Languages Used

Dart

Technical Skills

DartFlutterUI/UX designinternationalizationlocalizationmobile development

immich-app/immich

Jan 2025 Jul 2025
2 Months active

Languages Used

Dart

Technical Skills

Fluttermobile developmenttestingDart

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